* Add support for ssh commit signing * Split out ssh verification to separate file * Show ssh key fingerprint on commit page * Update sshsig lib * Make sure we verify against correct namespace * Add ssh public key verification via ssh signatures When adding a public ssh key also validate that this user actually owns the key by signing a token with the private key. * Remove some gpg references and make verify key optional * Fix spaces indentation * Update options/locale/locale_en-US.ini Co-authored-by: Gusted <[email protected]> * Update templates/user/settings/keys_ssh.tmpl Co-authored-by: Gusted <[email protected]> * Update options/locale/locale_en-US.ini Co-authored-by: Gusted <[email protected]> * Update options/locale/locale_en-US.ini Co-authored-by: Gusted <[email protected]> * Update models/ssh_key_commit_verification.go Co-authored-by: Gusted <[email protected]> * Reword ssh/gpg_key_success message * Change Badsignature to NoKeyFound * Add sign/verify tests * Fix upstream api changes to user_model User * Match exact on SSH signature * Fix code review remarks Co-authored-by: Gusted <[email protected]> Co-authored-by: wxiaoguang <[email protected]> Co-authored-by: Lunny Xiao <[email protected]> Co-authored-by: techknowlogick <[email protected]>